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sqrt(1+tan^2 theta) = , where 0 lt thet...

`sqrt(1+tan^2 theta)` = __________, where ` 0 lt theta lt 90^@`

A

`sec theta`

B

`cosec theta `

C

` cos theta`

D

` sin theta `

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The correct Answer is:
A
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CPC CAMBRIDGE PUBLICATION-CPC MODEL QUESTION PAPER -6-QUESTION
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